Pith Number

pith:P5D4FSJA

pith:2015:P5D4FSJAZGGOECHOPIRFWTBUMP

not attested not anchored not stored refs pending

Spectral classification of stars based on LAMOST spectra

Bo Zhang, Chao Liu, Jun-Chen Wan, Li-Cai Deng, Ming Yang, Wen-Yuan Cui, Yonghui Hou, Yong Zhang, Yuefei Wang

arxiv:1505.05940 v1 · 2015-05-22 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5D4FSJAZGGOECHOPIRFWTBUMP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:03:49.599018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f47c2c920c98ce208ee7a225b4c3463fa2c75332c7300454df267115dd25abe

Aliases

arxiv: 1505.05940 · arxiv_version: 1505.05940v1 · doi: 10.48550/arxiv.1505.05940 · pith_short_12: P5D4FSJAZGGO · pith_short_16: P5D4FSJAZGGOECHO · pith_short_8: P5D4FSJA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/P5D4FSJAZGGOECHOPIRFWTBUMP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7f47c2c920c98ce208ee7a225b4c3463fa2c75332c7300454df267115dd25abe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ea688eaedfacc80898bf1dcacb15bf710406f221c31e25995212608378a0a4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-22T03:18:14Z",
    "title_canon_sha256": "e10c5a84016bab0bba3d0f4fe59f2a3303a332b5ed8d50d36a2740dd7935c172"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05940",
    "kind": "arxiv",
    "version": 1
  }
}